Finding the Fourth Proportional to 10,830.36, 14,946.77 and 8,610.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,830.36 : 14,946.77 = 8,610.56 : x
2. Step 2: Convert to fraction form
   10,830.36/14,946.77 = 8,610.56/x
3. Step 3: Cross multiply
   10,830.36x = 14,946.77 × 8,610.56
4. Step 4: Simplify right side
   10,830.36x = 128,700,059.89
5. Step 5: Solve for x
   x = 128,700,059.89/10,830.36
6. Step 6: Final answer
   x = 11,883.27